<template>
<!-- 购物车商品列表的标题区域 -->
<view class="cart-box">
	
	<view class="cart-main" v-if="cart.length">
		
	<view class="cart-address">
		<my-addresss></my-addresss>
	</view>
	
	<view class="cart-title">
		<!-- 左侧的图标 -->
		<uni-icons type="shop" size="18"></uni-icons>
		<!-- 描述文本 -->
		<text class="cart-title-text">购物车</text>
	</view>
	
	<view class="cart-item">
		<uni-swipe-action>
		<block v-for="(goods, i) in cart" :key="i">
			<!-- uni-swipe-action-item 可以为其子节点提供滑动操作的效果。需要通过 options 属性来指定操作按钮的配置信息 -->
			<uni-swipe-action-item :right-options="options" @click="swipeActionClickHandler(goods)">
			<my-goods :goods="goods" :show-radio="true" :show-num="true" @radio-change="radioChangeHandler" @num-change="numberChangeHandler"></my-goods>
			</uni-swipe-action-item>
		</block>
		</uni-swipe-action>
	</view>
	<view class="cart-settle">
		<my-settle></my-settle>
	</view>
	</view>
	
	<!-- 空白购物车区域 -->
	<view class="empty-cart" v-else>
	  <image src="/static/cart_empty@2x.png" class="empty-img"></image>
	  <text class="tip-text">空空如也~</text>
	</view>

</view>
</template>

<script>
	import { mapGetters, mapMutations } from 'vuex'
	import badgeMix from '@/mixins/tabbar-badge.js'
	import { mapState } from 'vuex'
	export default {
		  mixins: [badgeMix],
		data() {
			return {
				    options: [{
				      text: '删除', // 显示的文本内容
				      style: {
				        backgroundColor: '#C00000' // 按钮的背景颜色
				      }
				    }]
			};
		},
		methods:{
			...mapMutations('m_cart', ['updateGoodsState', 'updateGoodsCount', 'removeGoodsById']),
			radioChangeHandler(e){
				this.updateGoodsState(e)
			},
			numberChangeHandler(e){
				this.updateGoodsCount(e)
			},
			// 点击了滑动操作按钮
			swipeActionClickHandler(goods) {
				this.removeGoodsById(goods.goods_id)
			}
		},
		computed:{
			...mapState('m_cart',['cart'])
		},
	}
</script>

<style lang="scss">
	.cart-box{
		padding-bottom: 50px;
		.empty-cart {
		  display: flex;
		  flex-direction: column;
		  align-items: center;
		  padding-top: 150px;
		
		  .empty-img {
		    width: 90px;
		    height: 90px;
		  }
		
		  .tip-text {
		    font-size: 12px;
		    color: gray;
		    margin-top: 15px;
		  }
		}
	}
.cart-title {
  height: 40px;
  display: flex;
  align-items: center;
  font-size: 14px;
  padding-left: 5px;
  border-bottom: 1px solid #efefef;
  .cart-title-text {
    margin-left: 10px;
  }
}
</style>
